The world will not need to wait long to get a glimpse at triple Olympic champion Usain Bolt's fitness for his highly anticipated 2012 season.
His 'before' body was a huge debate.
Metcalf dominated with both speed and strength. He ran a blazing fast, 4.33 in the 40, surprising considering he was 6-foot-3 ...
Dr. Jordan Metzl, a longevity and sports medicine doctor, runs home after work and strength trains in the park.
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